4.3

For the blue crab, the open bay of the Chesapeake Bay region is its -

• species

• community

• habitat

• population

All of the populations of species in an area make up a -

• region

• niche

• family

• community

Where does the energy for an ocean food chain come?

• ocean waves

• the sun

• whales

• salt

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which is a living part of a forest ecosystem?

• tree

• air

• rock

• water

Tags

NGSS.MS-LS1-1

The interactions and organization within an ecosystem is based on the utilization of energy from the ____.

• moon

• sun

• Earth

• plants

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Organisms that live in the same ecosystem and share the same need for resources must _____ for them

• compete

• share willingly

• interact

• change

Tags

NGSS.MS-LS2-1

When two or more blue jays live and interact in the same area, the blue jays are a(n)

• ecosystem

• population

• community

• single organism

Decomposers break down wastes into , which become part of the soil.

• nutrients

• algae

• habitats

• protons

Tags

NGSS.MS-LS2-3

A niche is a(n)

• community of animals

• part of the food web

• organism's special role in the environment.

• kind of habitat

A guide used to identify organisms based on characteristics is

• an atlas

• a ruler

• a cylinder

• a dichotomous key